Three times in the last week, the temperature has reached 70, and today was supposed to make four. Yesterday's high of 74 was normal for a May 18.
Not that we're spoiled, but that won't be happening today, at least in the immediate Philadelphia area.
Northeast winds and stubborn cloud-cover have made this a disappointingly chilly morning, and the sun is in for a fight as the clouds hold in a shallow layer of chilly air.
At 11, it was 49 at Philadelphia International Airport, or about 10 degrees chillier than it was to the west in Lancaster. Meanwhile, it already was up to 70 in southern Delaware.